Means for constructing concrete walls.



A. D. WHIPPLE.

v MEANS FOR OONSTRUGTING CONCRETE WALLS.

APPLIOATION FILED MAY 29, 1911.

l,@'?5,45%, v Patented Oct. 14, 1913.

5E x r 1 i I r w 1 f EIS.

- COLUMBIA PLANOGRAPH Con WASHINGTON, D. c,

ALLEN D. WHIPPIJE, OE MILWAUKEE, WISCONSIN.

MEANS FOR CONSTBUGTING CONCRETE WALLS.

Specification of Letters Patent.

Patented Oct. 14, 1913.

Application filed May 29, 1911. Serial No. 630,142.

To all whom it may concern Be it known that I, ALLEN D. W HIPPLE, a citizen of the United. States, residing in Milwaukee, in the county of Milwaukee and State of Wisconsin, have invented new and useful Improvements in Means for Constructing Concrete Walls, of which the following is a description, reference being had to the accompanying drawings, which are a part of this specification.

This invention relates to improvements in means for constructing concrete walls.

It is one of the objects of this invention to provide means for constructing concrete walls in which the forms or false work used in holding the semi-liquid mass of concrete, in constructing concrete walls of straight or circular shape, may be easily raised to a position and supported from time to time during the operation of filling the forms with concrete to provide practically a continuous elevation.

A. further object of the invention is to provide means for constructing concrete walls in which the guides of the forms serve to aline the courses of the wall and also to reinforce the same.

A further object of the invention is to provide means for raising concrete forms whereby all of the forms used in constructing the walls may be practically raised to a position and supported to receive a fresh course of concrete at one time without the necessity of separating the forms in any manner.

A further object of the invention is to provide in concrete wall construction guide means for raising and supporting the concrete forms which are particularly adapted for use in connection with endless or continuous forms for forming walls of grain elevators, silos, etc., and in which the entire surrounding wall is practically advanced vertically at the same time.

With the above, and other objects in view, the invention consists of the improved means for constructing concrete walls and its parts and combinations as set forth in the claims, and all equivalents thereof.

In the accompanying drawing in which the same reference characters indicate the same parts in all of the views Figure 1 is a top view of a portion of a circular wall with the forms and the guides thereof shown in position, portions being removed and other portions in section; Fig. 2 is a transverse sectional view thereof taken on line 2-2 of Fig. 1, with the forms shown as filled with concrete and the guide means positioned to elevate the forms; Fig. 3 is a imilar View with the forms elevated in position to receive another course of concrete; and Fig. 4 is a top view of one of the socketed sleeves.

Referring to the drawing the numeral 8 indicates a portion of a circular concrete wall and 9 and 10 the inner and outer forms respectively between which the concrete 11 is poured .while in a semi-liquid state. These forms are constructed of boards vertically positioned and arranged to form a circle or any other form desired with their side edges adjacent to each other. Horizontally positioncd reinforcing bands 12 extend around the outer sides of the vertical forms and to which the said forms are fastened. These bands which are positioned adjacent to the upper and lower edges of the forms are each constructed of a plurality of thicknesses of timbers 13 shaped to fit the forms and fastened together and with the abutting ends of the timbers staggered or overlapped with relation to the abutting ends of the timbers alongside thereof. The timbers of each band are fastened together by bolts 14 which extend vertically through said timbers and also through angle brackets 15 placed beneath the upper bands and above the lower bands respectively. The brackets are also bolted to the upright timbers 16 of elevating frames 17 which are positioned above and straddle the forms and the bands and are located around the forms at certain regular distances apart. The elevating frames are formed of the upright timbers 16 connected together at their upper ends by the transverse timbers 18 which extend on opposite sides of said uprights and the brace timbers 19 extending at an angle from one upright to the other to hold the parts rigidly together. The elevating frame is further strengthened by means of the straps 20 and the transversely positioned U-shaped brace rods 21 which extend through rod plates 22 positioned on opposite edges of the uprights 16 and are provided with threaded ends to receive the nuts 23.

The transverse timbers of the elevating frames are spaced a distance apart by the uprights 16 and in the space between the two transverse timbers of each frame is positioned and bolt-edv to said timbersa block 24: having a threaded opening 25 through which extends the threaded elevating rod 26. This rod is provided with a keyway 27 ex tending practically the entire length of the threaded portion of the rod and a socketed member 28 loosely surrounding said rod is provided with a key portion 29 which enters the keyway of the rod to provide for turning said rod. The socketed members rest on top of plates 30 fastened to and extending across the two transverse timbers 18 and are turned by means of turning bars 31 inserted in the sockets 32 of said members. The unthreaded portion 33 of each threaded rod 26 is of less diameter than the threaded portion to permit the said unthreaded portion to enter a guide tube 34 and to form a shoulder 35 which bears on the upper end of said tube.

It may be desirable in some cases to provide washers 36 between the shoulders 35 of the rods and the upper ends of the guide tubes to prevent the threaded portion of the rod from working into the tube and these washers may also be left in position on top of the tubes and other tubes placed on top thereof to form greater bearing surfaces and prevent splitting of the tubes. When the washers are thus left the concrete serves to hold them in position after the rods are withdrawn from engagement therewith. These guide tubes are of a length approximately corresponding to the height of the concrete courses and the unthreaded portions of the rods are of greater length than the guide tubes and permit the rod portions to extend through the upper tube and into the next lower tube to aline the said tubes vertically.

In use the inner and outer forms are spaced apart and held by the elevating frames and the unthreaded portions of the threaded rods, which are in their uppermost positions, are inserted in the guide tubes. Concrete is now poured into the space between the forms until the space is filled to a point approximately level with the top of the guide tubes and when this level is reached the course is then permitted to harden or set. When the concrete has hardened or set sufliciently to hold its shape the turning bars are inserted in the sockets of the socketed members and said members are turned to raise the elevating members and the inner and outer forms connected thereto and while the forms are being gradually raised the space between said forms is filled with concrete thus providing for practically a continuous operation.

As the shoulders of the threaded rods bear against the guide tubes, which are embedded in the concrete and rest on other tubes or on a suitable foundation, the turning of the rods will raise the elevating frames and the forms with the weight thereof supported on the guide tubes. The splined connection of the socketecl members with the rods will permit the said members to slide freely upwardly with the frames. When the frames and the forms are elevated to the desired height alternate socketed members are turned in a reverse direction to elevate the particular rods engaged and when the threads are disengaged by the members the rods are slid upwardly to permit other guide tubes being placed in position. The rods are then slid into the new tubes and are turned to extend the ends of said rods into the upper ends of the tubes now embedded in the concrete. The frames and forms will during this operation be supported by the alternate tubes. As soon as the tubes are in position and are resting on top of the embedded tubes so they will support the weight of the frames and forms the same operation is repeated with reference the alternate members and rods. The frictional contact of the lower edge portions of the forms also serve to assist in holding the parts in elevated position while inserting new tubes in position. The tubes are left in the concrete and serve to reinforce the wall and if desired horizontal reinforcing irons (not shown) may also be used to further strengthen the wall.

From the foregoing description it will be seen that the work of constructing a concrete wall may be greatly expedited and simplified by the use of the continuous forms and the means for elevating said forms as a whole as the work progresses.

What I claim as my invention is:

1. Means for constructing concrete walls, comprising forms spaced apart, elevating frames positioned above the forms and having depending uprights which are fastened to the forms, sectional vertically extending guide tubes positioned between the forms and adapted to remain in and reinforce the wall constructed between said forms, threaded blocks carried by the elevating frames, rods threaded through the blocks and having reduced portions which extend into the tubes and shoulders which rest on the upper ends of the tubes, and means for turning the rods to elevate the forms.

2. Means for constructing concrete walls, comprising forms spaced apart, elevating frames positioned above the forms and having depending uprights which are fastened to the forms, sectional vertically extending guide tubes positioned between the forms and adapted to remain in and reinforce the wall constructed between said forms, threaded blocks carried by the elevating frames, rods threaded through the blocks and having reduced portions which extend into the tubes and shoulders which rest on the upper ends of the tubes, said rod having a longitudinal groove formed therein, and a turning member loosely surrounding the rod and having a key which enters the longitudinal groove.

3. Means for constructing concrete walls, comprising forms spaced apart, elevating frames positioned above the forms and having depending uprights which are fastened to the forms, sectional vertically extending guide tubes positioned between the forms and adapted to remain in and reinforce the wall constructed between said forms, threaded blocks carried by the elevating frames, rods threaded through the blocks and having reduced portions which extend into the tubes and shoulders which rest on the upper ends of the tubes, said rods having longitudinal grooves formed therein, socketed members loosely surrounding the rods and having keys which enters the longitudinal grooves, and a member inserted into one of the sockets of the socketed members for turning said members and the rods engaged thereby.

4. Means for constructing concrete walls, comprising forms spaced apart and pro vided with outer horizontally extending reinforcing timbers, sectional vertically extending guide tubes positioned between the forms and adapted to remain in and reinforce the wall constructed between said forms, elevating frames positioned above the forms and having upright portions which are fastened to the forms and the reinforcing timbers, said frames having upper transverse timbers connecting the uprights and spaced a distance apart, threaded blocks fastened to and positioned between the transverse timbers of the frames, rods threaded through the blocks and having reduced portions and shoulders, the reduced portion of each rod being of sufficient length to extend through one tube and into the adjacent tube, said rods having longitudinal grooves formed therein, and turning members surrounding the rods and positioned above the transverse timbers and having keys which enter the longitudinal grooves.

5. Means for constructing concrete walls, comprising forms spaced apart and provided with outer horizontally extending reinforcing timbers, sectional vertically extending guide tubes positioned between the forms and adapted to remain in and reinforce the wall constructed between said forms, elevating frames positioned above the forms and having upright portions which are fastened to the forms and the reinforcing timbers, said frames having upper transverse timbers connecting the uprights and spaced a distance apart, threaded blocks fastened to and positioned between the transverse timbers of the frames, rods threaded through the blocks and having reduced portions and shoulders, the reduced portion of each rod being of sufficient length to extend through one tube and into the adjacent tube, said rods having longitudinal grooves formed therein, washers surrounding the rods and interposed between the rod shoulders and the tube ends, said washers adapted to be left in position on the tubes and other tubes to rest thereon, and turning members surrounding the rods and positioned above the transverse timbers and having keys which enter the longitudinal grooves.

In testimony whereof, I aflix my signature, in presence of two witnesses.

ALLEN D. VVHIPPLE.

Witnesses:

C. H. KEENEY, KATHERINE HOLT.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. C. 

